29
EN
6.13.2 EMPTYING operations
Domestic hot water circuit:
– close the domestic hot water circuit isolation valve (prearranged
in installation)
– open one or more than one hot water valve to fill and bleed the
domestic hot water circuit.
Boiler:
– loosen the automatic bleed valve (3)
– close the heating circuit isolation valves (prearranged in
installation)
– check that the filling valve which was prearranged during
installation is closed
– connect a rubber hose to the boiler drain valve (6) and open it
– when it has fully emptied, close the drain valve (6)
– close the automatic bleed valve (3).
3
6
Fig. 38
